A bowshock Nebula near the neutron star RXJ 18565-3754

False-colour composite photo of the sky field with the lonely neutron star RX J1856.5-3754 and the related cone-shaped nebula. It is based on a series of exposures obtained with the multi-mode FORS2 instrument at VLT KUEYEN through three different optical filters: R (29 exposures of 136 sec each; ~1.1 hrs total; here rendered as green); H-alpha (19; 1020 sec; ~5.5 hrs; red); and B (10; 138 sec; ~0.4 hrs; blue). The seeing was good to excellent during the exposures (0.66 arcsec on average). The trails of some moving objects, most likely asteroids in the solar system, are seen in the field with intermittent blue, green and red colours. For clarity, a smaller area around the neutron star and the cone ("bowshock") nebula has been enlarged in this image. The object is at the centre of the circle and the neutron star is indicated with an arrow; the field measures 80 x 80 arcsec 2. North is to the lower right and East is upper right. The motion of the neutron star as seen on the sky (see the text) is towards East, exactly in the direction indicated by the nebula.

Crédito:

ESO

Sobre la imagen

Identificador:eso0029b
Tipo:Observación
Fecha de publicación:11 de Septiembre de 2000
Noticias relacionadas:eso0029
Tamaño:800 x 800 px

Sobre el objeto

Nombre:RX J1856.5-3754
Tipo:Milky Way : Star : Evolutionary Stage : Neutron Star
Distancia:450 años luz
Categoría:Nebulae

Formatos de imagen

JPEG grande
364,8 KB

Fondo de pantalla

1024x768
406,4 KB
1280x1024
571,7 KB
1600x1200
704,6 KB
1920x1200
800,4 KB
2048x1536
1,0 MB

Colores y filtros

BandaTelescopio
Óptico
B
Very Large Telescope
FORS2
Óptico
R
Very Large Telescope
FORS1
Óptico
H-alpha
Very Large Telescope
FORS2

 

Ver también